| 1884 |
Dr. Miles Medical Company established |
| 1935 |
Renamed Miles Laboratories |
| 1941 |
Ames established as Miles Laboratories’ diagnostic division |
| 1979 |
Miles Laboratories become a wholly-owned subsidiary of Bayer AG |
| 1995 |
Miles Laboratories merged with Bayer AG |
| 2016 |
Diabetes care business merged with Panasonic Healthcare Holdings Co., Ltd. |